Answer:
see below
Step-by-step explanation:
As always, the coordinate transformations are ...
a. 180° — (x, y) ⇒ (-x, -y)
b. 270° CCW or 90° CW — (x, y) ⇒ (y, -x)
c. 90° CCW or 270° CW — (x, y) ⇒ (-y, x)
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It can be quick and easy to use a transparency or tracing paper to locate the rotated position of the image.